[INFO] crate rtrie 0.1.1 is already in cache
[INFO] extracting crate rtrie 0.1.1 into work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/rtrie/0.1.1
[INFO] extracting crate rtrie 0.1.1 into work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/rtrie/0.1.1
[INFO] validating manifest of rtrie-0.1.1 on toolchain master#d99a320cba42f661aebfa1293b7b2ec3603dda75
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rtrie-0.1.1 on toolchain try#e70472fc501b855c9080f3772432c10fe20b8866
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rtrie-0.1.1
[INFO] finished frobbing rtrie-0.1.1
[INFO] frobbed toml for rtrie-0.1.1 written to work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/rtrie/0.1.1/Cargo.toml
[INFO] started frobbing rtrie-0.1.1
[INFO] finished frobbing rtrie-0.1.1
[INFO] frobbed toml for rtrie-0.1.1 written to work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/rtrie/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rtrie-0.1.1 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/rtrie/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 913c8349cba51e999a185150ed914e2f2b744ddcf430e46c59478db8055a4eca
[INFO] running `"docker" "start" "-a" "913c8349cba51e999a185150ed914e2f2b744ddcf430e46c59478db8055a4eca"`
[INFO] [stderr]     Checking rtrie v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Checking quickcheck v0.4.1
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/ternary.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |         /// Unwrap the treenode, creating a new node if it was an empty node.
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/ternary.rs:294:9
[INFO] [stderr]     |
[INFO] [stderr] 294 |         /// Unwrap the treenode, If the node is None, there is nothing to delete
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
[INFO] [stderr]   --> benches/ternary.rs:25:18
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let sample = rand::sample(rng, r.lines().map(Result::unwrap), sample_size);
[INFO] [stderr]    |                  ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::sample': renamed to seq::sample_iter
[INFO] [stderr]   --> benches/ternary.rs:39:25
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let lookup_sample = rand::sample(&mut rng, sample, lookup_len);
[INFO] [stderr]    |                         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/ternary.rs:209:9
[INFO] [stderr]     |
[INFO] [stderr] 209 |         /// Unwrap the treenode, creating a new node if it was an empty node.
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/ternary.rs:294:9
[INFO] [stderr]     |
[INFO] [stderr] 294 |         /// Unwrap the treenode, If the node is None, there is nothing to delete
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.22s
[INFO] running `"docker" "inspect" "913c8349cba51e999a185150ed914e2f2b744ddcf430e46c59478db8055a4eca"`
[INFO] running `"docker" "rm" "-f" "913c8349cba51e999a185150ed914e2f2b744ddcf430e46c59478db8055a4eca"`
[INFO] [stdout] 913c8349cba51e999a185150ed914e2f2b744ddcf430e46c59478db8055a4eca